& 
1887] Microscopy. 951 
and infinitely intelligent, it must be an infinite subject, object, or 
self-conscious intellect.” 
We do not perceive that the inference expressed in 2 (above) 
= isanecessary one; in fact, it is obtained by a confusion of object 
_ with subject; therefore 3 cannot be sustained. 
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lution belong to the future, and will soon be here.” We add to 
_ this our own belief that a part of this philosophy is contained 
-in Dr, Abbot’s book; that some of the rest of it is also here we 
will endeavor to show in the next number of the NATURALIST.— 
D. Cope. k 
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at two and ahalf marks. Orders for the water-bath and its ac- > 
~sories are filled by the Educational Supply Co., 6 Hamilton 
a Place, Boston, 
= This is the “most thoroughly equipped water-bath that has 
: thus far been described, and it is admirably well adapted, in size 
_ 2nd shape as well as outfit to those micro-technical uses for 
~ Which it wa : : 
One of t 
unsen burner (7), which consists of a horizontal tube, to 
PGE ee age age E Wier 
mused only 4cm. The bath is thus placed at a height most 
ment for work and most favorable to economy of heat. The 
: t smoke, and does not strike back when reduced to 
int. With a maximum flame the bath, which has a 
2.5 litres, is brought to a temperature of 60° C. in 
ity of 
6 forty-five minutes 
cept A fall explanation of this part is furnished with each 
Me by C. O. WHITMAN, Milwaukee, Wisconsin. i Boo 
| TEA Mayer, “Aus der Mikrotechnik,” Jnéermationale Monatsschrift f. 
Phys., 1V., H. 2 1887. : ‘ 
* 
Ae ea important attach ment of this water-bath is the thermo- ` 
